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/*
* Copyright (c) 2011 The Chromium Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*
* Error codes and data structures used to report errors when loading a nexe.
*/
#ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_ERROR_H
#define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_ERROR_H
#include <string>
#include "native_client/src/include/nacl_macros.h"
namespace plugin {
// These error codes are reported via UMA so, if you edit them:
// 1) make sure you understand UMA, first.
// 2) update src/tools/histograms/histograms.xml in
// svn://svn.chromium.org/chrome-internal/trunk/src-internal
// Values are explicitly specified to make sure they don't shift around when
// edited, and also to make reading about:histograms easier.
enum PluginErrorCode {
ERROR_LOAD_SUCCESS = 0,
ERROR_LOAD_ABORTED = 1,
ERROR_UNKNOWN = 2,
ERROR_MANIFEST_RESOLVE_URL = 3,
ERROR_MANIFEST_LOAD_URL = 4,
ERROR_MANIFEST_STAT = 5,
ERROR_MANIFEST_TOO_LARGE = 6,
ERROR_MANIFEST_OPEN = 7,
ERROR_MANIFEST_MEMORY_ALLOC = 8,
ERROR_MANIFEST_READ = 9,
ERROR_MANIFEST_PARSING = 10,
ERROR_MANIFEST_SCHEMA_VALIDATE = 11,
ERROR_MANIFEST_GET_NEXE_URL = 12,
ERROR_NEXE_LOAD_URL = 13,
ERROR_NEXE_ORIGIN_PROTOCOL = 14,
ERROR_NEXE_FH_DUP = 15,
ERROR_NEXE_STAT = 16,
ERROR_ELF_CHECK_IO = 17,
ERROR_ELF_CHECK_FAIL = 18,
ERROR_SEL_LDR_INIT = 19,
ERROR_SEL_LDR_CREATE_LAUNCHER = 20,
ERROR_SEL_LDR_FD = 21,
ERROR_SEL_LDR_LAUNCH = 22,
// Deprecated, safe to reuse the # because never logged in UMA.
// ERROR_SEL_LDR_COMMUNICATION = 23,
ERROR_SEL_LDR_SEND_NEXE = 24,
ERROR_SEL_LDR_HANDLE_PASSING = 25,
ERROR_SEL_LDR_START_MODULE = 26,
ERROR_SEL_LDR_START_STATUS = 27,
ERROR_SRPC_CONNECTION_FAIL = 28,
ERROR_START_PROXY_CHECK_PPP = 29,
ERROR_START_PROXY_ALLOC = 30,
ERROR_START_PROXY_MODULE = 31,
ERROR_START_PROXY_INSTANCE = 32,
ERROR_SEL_LDR_COMMUNICATION_CMD_CHANNEL = 33,
ERROR_SEL_LDR_COMMUNICATION_REV_SETUP = 34,
ERROR_SEL_LDR_COMMUNICATION_WRAPPER = 35,
ERROR_SEL_LDR_COMMUNICATION_REV_SERVICE = 36,
ERROR_START_PROXY_CRASH = 37,
// If you add a code, read the enum comment above on how to update histograms.
ERROR_MAX
};
class ErrorInfo {
public:
ErrorInfo() {
Reset();
}
void Reset() {
SetReport(ERROR_UNKNOWN, "");
}
void SetReport(PluginErrorCode error_code, const std::string& message) {
error_code_ = error_code;
message_ = message;
}
PluginErrorCode error_code() const {
return error_code_;
}
void PrependMessage(const std::string& prefix) {
message_ = prefix + message_;
}
const std::string& message() const {
return message_;
}
private:
PluginErrorCode error_code_;
std::string message_;
NACL_DISALLOW_COPY_AND_ASSIGN(ErrorInfo);
};
} // namespace plugin
#endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_ERROR_H
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